NVIDIA GeForce GT 650M Mac Edition vs AMD Radeon RX 550X Mobile

VS

NVIDIA GeForce GT 650M Mac Edition

AMD Radeon RX 550X Mobile

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 2GB VRAM Radeon RX 550X Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 48.00GB/s)

Lower TDP (45W vs 50W)

AMD Radeon RX 550X Mobile 's Advantages

Released 5 years and 9 months late

Boost Clock1176MHz

More VRAM (2GB vs 512GB)

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition

0.691 TFLOPS

Radeon RX 550X Mobile +117%

1.505 TFLOPS

GeForce GT 650M Mac Edition

VS

Radeon RX 550X Mobile

Graphics Card

Jul 2012

Release Date

Apr 2018

GeForce 600M

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1100 MHz

-

Boost Clock

1176 MHz

1254 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

80.26GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

640

32

TMUs

40

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

18.82 GPixel/s

28.80 GTexel/s

Texture Rate

47.04 GTexel/s

-

FP16 (half)

1.505 TFLOPS

691.2 GFLOPS

FP32 (float)

1.505 TFLOPS

28.80 GFLOPS

FP64 (double)

94.08 GFLOPS

Board Design

45W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GK107

GPU Name

Polaris 23

N13P-GT-W-A2

GPU Variant

Polaris 23 MXT

Kepler

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.27 billion

Transistors

2.2 billion

118 mm²

Die Size

103 mm²

Graphics Features

12 (11_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

6.4

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